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Patent Searching and Data


Title:
STEERING GEAR ASSEMBLY AND STEERING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/103644
Kind Code:
A1
Abstract:
A steering gear assembly and a steering system. The steering gear assembly comprises: a first rack (10), a second rack (20), a transmission shaft (30), a first gear (40), a second gear (50), a reversing gear set (60) and a rotary driving assembly (70), wherein the first gear (40) is fixed on the transmission shaft (30), and meshes with the first rack (10); the second gear (50) and the reversing gear set (60) are both slidably mounted on the transmission shaft (30), so as to slide to separately mesh with the second rack (20); the rotary driving assembly (70) is drivingly connected to the transmission shaft (30), and is used for driving the transmission shaft (30) to rotate around a shaft axis of the transmission shaft (30); the reversing gear set (60) is used for outputting torque in an opposite direction of the transmission shaft (30); when the second rack (20) meshes with the reversing gear set (60), the first rack (10) and the second rack (20) translate in the same direction or translate in opposite directions; and when the second rack (20) meshes with the second gear (50), the first rack (10) and the second rack (20) translate in opposite directions or translate in the same direction. The steering gear assembly can achieve the rotation of steering wheels in the same direction and opposite directions, thereby achieving the functions of a vehicle steering in situ and traveling laterally, and improving the maneuverability of the vehicle.

Inventors:
SHI GUOBIAO (CN)
SUN HUICHUN (CN)
HAN CHONG (CN)
LIU XINWANG (CN)
CAO JINGZHAO (CN)
WANG JUN (CN)
WANG WENWEI (CN)
Application Number:
PCT/CN2022/128409
Publication Date:
June 15, 2023
Filing Date:
October 28, 2022
Export Citation:
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Assignee:
SHENZHEN AUTOMOTIVE RESEARCH INSTITUTE BEIJING INSTITUTE OF TECH SHENZHEN RESEARCH INSTITUTE OF NATI (CN)
International Classes:
B26D3/12
Foreign References:
CN113895510A2022-01-07
US20100106375A12010-04-29
CN103359131A2013-10-23
CN109334758A2019-02-15
CN112606898A2021-04-06
Attorney, Agent or Firm:
DHC IP ATTORNEYS (CN)
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